Question

f(x)=2x^3−15x^2−36x+8 on the interval [−5,7]. Find the average or mean slope of the function on this...

f(x)=2x^3−15x^2−36x+8

on the interval [−5,7]. Find the average or mean slope of the function on this interval.

Average slope = 12

By the Mean Value Theorem, we know there exists at least one cc in the open interval (−5,7) such that f′(c) is equal to this mean slope. Find all values of cc that work and list them (separated by commas) in the box below.

List of numbers:

need answer for second part..

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